best in ear under 100$?

Hello.
I'm looking for a new pair of ie headphones, I mostly listen to hip hop r&b and some house music so I really care for the lows to go low and deep with warm sound so as the high's and mids to be clear with a warm sound.
I travel a lot so noise isolation is not less important.
Thank's in advance for you guys.

Edit:
forgot to mention that the music is lossless and will be powered up by sansa clip with rockbox and without amp.Edited by orelv - 8/13/12 at 12:06am

Monster Turbine could be a possibility, they offer the deep bass you want and drive from the Clip well, they sound warm. I'm listening to them now actually. Another option which I suggest is SoundMAGIC E10, but the bass isn't quite on par with Turbines, though offers a clearer mid range and slightly brighter treble.Edited by H20Fidelity - 8/13/12 at 12:37am

As far as I know monster have some great cables but overpriced headphones (or is it just the beats?)
Lack of bass is not something i'm ready to go for.
Any other suggestions?

They don't make great cables. There is some argument for analog cables but things like HDMI, USB and other digital protocols there is absolutely zero difference between a "good" and an "average" cable. As long as there is no defect in the cable for instance the USB spec says the raw error rate is at most 10^-9; then you have to account for the fact that they all have digital correction protocols and there is effectively 0 error.

It is same when you rip a CD and although the data may be 93% intact through error correcting protocols you get the same bit perfect output as with a 100% intact CD.

As for Monster headphones, they are decent but err on the side of being pricey for their performance.